Hi Guys, i need your help.

I've upgraded a site from version 6.x.x to 7.8.2, during that i had to change from contour to umbraco forms.

It was a hassle but i got it working on my dev site. Now that i was sure everything was done, i pushed the site to my clients server, and i got this bug.

I actually had this bug on my own machine, where i think i solved it by deleting my bin folder and rebuilding. Now i dont have access to my clients machine so its a bit harder to debug.

I managed to find one rogue reference to umbraco.forms.mvc.dll from my csproj file, which i removed. But my question is how would you debug this? have you tried anything similar? maybe this exactly? Thanks alot!